Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| OAK TRUST | Naperville, IL | 01-01-1964 | $43,156 | CU |
| MCHENRY COUNTY | CRYSTAL LAKE, IL | 01-01-1961 | $42,499 | CU |
| RIVERSIDE COMMUNITY | KANKAKEE, IL | 01-01-1976 | $42,370 | CU |
| LOYOLA UNIVERSITY EMPLOYEES | Maywood, IL | 01-01-1979 | $41,725 | CU |
| Community Bank of Easton | Easton, IL | 08-01-1962 | $40,359 | BK |
| Citizens Bank of Chatsworth | Chatsworth, IL | 12-07-1903 | $40,266 | BK |
| MWRD EMPLOYEES | CHICAGO, IL | 01-01-1953 | $40,197 | CU |
| Middletown State Bank | Middletown, IL | 06-05-1917 | $39,872 | BK |
| B.A.E. | Barrington, IL | 01-01-1956 | $39,714 | CU |
| BLOOMINGTON MUNICIPAL | Bloomington, IL | 01-01-1953 | $39,072 | CU |
| SHERWIN WILLIAMS EMP. | South Holland, IL | 01-01-1936 | $39,046 | CU |
| ILLINOIS VALLEY | Peru, IL | 01-01-1955 | $38,263 | CU |
| BLACKHAWK AREA | Savanna, IL | 01-01-1935 | $38,021 | CU |
| U.S.A. ONE NATIONAL | Matteson, IL | 01-01-0000 | $37,988 | CU |
| NORTHWEST MUNICIPAL | Des Plaines, IL | 01-01-1966 | $37,853 | CU |